National Geographic : 1898 Jul
334 GEOGRAPHIC WORK OF GENERAL GOVERNMENT THE CENSUS The Census Office is a temporary organization created for the purpose of taking the decennial census. The census obtains sta tistics regarding population, including age, sex, race, nativity, and, in the case of native-born, the state of birth and the occu pations of the people; it obtains statistics of illiteracy and edu cation, of mortality, of the insane, deaf, dumb, and blind, and other social statistics ; it obtains statistics of industries, includ ing under the head of agriculture the number, size, and value of farms, the amount of cultivated land, the magnitude of all principal crops, amount of live stock, etc.; under the head of manufactures the number of each kind of establishments, with their capital, material used, product, and employs ; under the head of mining it obtains statistics of the number of mines and their character and product; under the head of transportation it obtains statistics concerning the operations of railroads (includ ing street railroads), canals and navigation, coastwise and on our lakes and rivers. The results are published in a series of quarto. volumes, and are summarized in a compendium and in an ab stract. They are further summarized, mainly in pictorial form, in a statistical atlas. All these publications can be obtained on application to the Secretary of the Interior. HYDROGRAPHIC OFFICE This is a branch of the Navy Department and is in charge of a naval officer, known as the hydrographer. The function of this office is to prepare from the best available sources and to publish charts of foreign coasts for the use of our navy and the merchant marine. Besides this work, the office is engaged in a study of terres trial magnetism and its distribution over the earth, as an aid to the navigator, and in the study of marine meteorology and ocean currents. The navy has charted great extents of coast of barbarous na tions, and the results have been published by this office. It has also made valuable contributions to our knowledge of the sea bottom, particularly in the Gulf of Mexico and Caribbean sea, by deep-sea soundings. The charts published by this office are sold at prices differing with the size of the chart.